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Evaluation of post-pneumonectomy space by computed tomography

P R Biondetti, D Fiore, F Sartori

    Journal of Computer Assisted Tomography
    |April 1, 1982
    PubMed
    Summary

    Computed tomography (CT) evaluated the post-pneumonectomy space (PPS) in 22 patients. PPS obliteration correlated with nonoperated lung expansion, while fluid persisted in many cases, highlighting CT

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    Area of Science:

    • Radiology
    • Thoracic Surgery
    • Pulmonary Medicine

    Background:

    • Pneumonectomy, a major thoracic surgery, creates a post-pneumonectomy space (PPS) whose evolution is not fully understood.
    • The management and imaging follow-up of the PPS are crucial for patient care after lung removal.

    Purpose of the Study:

    • To investigate the characteristics of the post-pneumonectomy space (PPS) using computed tomography (CT).
    • To identify factors correlated with PPS obliteration and fluid presence after pneumonectomy.

    Main Methods:

    • Computed tomography (CT) scans were performed on 22 patients who had undergone pneumonectomy.
    • Analysis focused on the presence and characteristics of the PPS, including fluid content and obliteration.
    • Correlation analysis was conducted with parameters such as time since surgery, respiratory function, and thoracic changes.

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    Main Results:

    • In 13 of 22 patients, the PPS contained fluid, which persisted or was reabsorbed without organization.
    • In 9 of 22 patients, the PPS was obliterated.
    • PPS obliteration showed a significant positive correlation (coefficient, 0.84) with the expansion of the nonoperated lung.
    • No significant correlation was found between PPS obliteration and time interval, presurgical respiratory function, hemidiaphragm elevation, or hemithorax retraction.

    Conclusions:

    • Computed tomography is valuable for monitoring patients post-pneumonectomy.
    • The expansion of the remaining lung is a key factor in PPS obliteration.
    • Fluid in the PPS is a common finding and does not typically organize.
    • Mediastinal shift dynamics are influenced by residual lung expansion.